How To Fix USMD1593 - Data model &1, from-entity type &2: Invalid relationship

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 593

• Message text: Data model &1, from-entity type &2: Invalid relationship

What causes this issue?

Entity types with <DS:DE.USMD_USAGE_TYPE>storage and use type</> 4 must
be used as To-entity types in relationships with the type <LS>foreign
key relationship</>.

System Response

The data model cannot be saved or activated.

How to fix this error?

Edit the fields in the <LS>Fields of Foreign Key Relationships</> view
in Customizing activity <DS:SIMG.FMDM_USMD001>Edit Data Model</>.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message USMD1593 - Data model &1, from-entity type &2: Invalid relationship ?

  The SAP error message USMD1593 typically indicates that there is an issue with a relationship defined in the data model for a specific entity type. This error can occur in the context of SAP Master Data Governance (MDG) when the system encounters an invalid relationship between entities in the data model.
  Cause:
  
  Invalid Relationship Definition: The relationship between the specified entity types may not be correctly defined in the data model. This could be due to missing or incorrect configuration.
  Data Integrity Issues: There may be inconsistencies in the data that violate the defined relationships, such as orphaned records or incorrect foreign key references.
  Model Changes: If there have been recent changes to the data model, such as adding or removing relationships, the existing data may not comply with the new structure.
  Configuration Errors: Errors in the configuration of the data model or the relationships between entities can lead to this error.
  
  Solution:
  
  Check Relationship Definitions: Review the data model configuration in the SAP MDG system. Ensure that the relationships between the specified entity types are correctly defined and that all necessary relationships are in place.
  Validate Data Integrity: Run data validation checks to identify any inconsistencies or orphaned records that may be causing the issue. Correct any data integrity problems found.
  Review Recent Changes: If there have been recent changes to the data model, verify that all related entities and relationships are updated accordingly. Ensure that the data complies with the new model.
  Consult Documentation: Refer to SAP documentation or notes related to the specific data model and entity types involved. This may provide insights into common issues and their resolutions.
  Debugging: If the issue persists, consider enabling debugging to trace the exact point of failure and gather more information about the error.
  Seek Support: If you are unable to resolve the issue, consider reaching out to SAP support or consulting with an SAP expert who can provide assistance based on the specific context of your implementation.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on similar issues.
  MDG Configuration Guides: Review the configuration guides for SAP MDG to ensure that your setup aligns with best practices.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the cause of the USMD1593 error in your SAP environment.